[Gambas-user] Bug in gb2 and gb3 in float

[Jussi Lahtinen]

http://en.wikipedia.org/wiki/Floating_point#Accuracy_problems
http://en.wikipedia.org/wiki/Floating_point#Minimizing_the_effect_of_accuracy_problems

Benoit, maybe you can add datatype 'decimal' in wish list?

Jussi




On Wed, Dec 29, 2010 at 20:09, Wellington de Souza Pinto <
wspinto at ...1405...> wrote:

> Hi!
>
> I sent isolate program to test the error.
>
> execute the program and follow this steps:
>
> 1 - Click in "Cheque" button
>     Using the mouse click in "Valor Cheque" textbox
>     type 20000 and press tab key
>
>     The Resta show 5123,56
>
> 2 - click in button "Lançar"
>
> 3 - Click in "Dinheiro" button
>     Using the mouse click in "Valor Dinheiro" textbox
>     type 5123,56 and press key tab
>
> The error is.
>
> Resta = 5123,56 (float)
> mskVALOR = 5123,56
> The breakpoint in 162
> in debug window:
>       ? vrresta  -> show(5123,56)
>       ? tmpvalor -> show(5123,56)
>       ? vrresta = tmpvalor ->show(FALSE)
> PRESS Shift+F8 to continue to next line
>
> Again in debug windo type:
> ? vrResta
> 9,094947017729E-13
>
> ????????????
>
> I'm use fc13, fc14 and ubuntu 10.10 in my computer for tests.
>
> Reguards,
>
> Wellington
>
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